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默沙东 诊疗手册

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Diaphragm’s Role in Breathing
Diaphragm’s Role in Breathing
Diaphragm’s Role in Breathing

当膈肌收缩并向下移动时,胸腔就会增大,从而减少肺部的压力。为维持压力平衡,空气进入肺内。当膈肌松弛时,肺和胸壁的弹性将气体排出肺。

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呼吸运动的调控